General: The series
2000 single hung thermal break aluminum window units are SH-C35. The windows shall comply
and bear the quality certification label in accordance with the ANSI/AAMA
certification program 101-93.
Material: The
Columbia Series 2000 aluminum window frames and sash members shall be aluminum alloy 6063-T5
within commercial tolerances. Frame and sash members shall have a thermal
barrier. The internal fins will have suitable break off and nailing grooves.
Finish: Standard
finish shall be of electostatically applied baked enamel. White and bronze
are standard finishes.
Weatherstripping:
Weatherstripping shall be high density, silicone treated, polypropylene
with a double mylar fin running through the center of the pile.
Weatherstripping to be located on all four sides of operable sash to
enhance maximum air and water infiltration protection. Bulb vinyl to be
located on exterior of sashes at sill for weather tight seal.
Construction:
All joints of frame and sash members shall be neatly fitted, securely
connected and permanently watertight. Frames shall have step point
construction for maximum rigidity. Both frames and sash members shall use an
extruded screw boss that is an integral part of the extruded section. The
operating sash shall interlock at both meeting rail and closing jamb. Sash
shall be easily removable from inside when in open position and not removable when
in locked position. Mullions to be furnished as required. Fixed and movable
sash use drop in type glazing.
Hardware: All
fasteners, screws, rivets and other miscellaneous fastening devices shall be
of aluminum, stainless steel or other non-corrosive material compatible with
aluminum. Single hung balances shall provide a positive lifting force, shall
operate freely in both directions and shall hold the sash stationary in any
position. Coil spring type balances are standard.
Glazing:
Aluminum windows
shall be glazed with 7/8" double or triple sealed insulated glass. Also
available: bronze tint, low E, and muntin bars between glass at an extra
charge.
Screens: Screens
shall be available on Series 2000 windows and shall be easily installed or
removed from inside without removing operating sash. Screen frames shall be
aluminum sections securely joined at the corners. Screen cloth shall be
18x16 mesh charcoal fiberglass.